# Clock Seconds vs Custom Digital Clock

The clearest difference is rating: Clock Seconds at 5.0 against Custom Digital Clock's 1.0. Clock Seconds also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 9 months). Custom Digital Clock's advantage is in-app purchases (none vs 2). On price and device support there is nothing between them.

Both are free to download. Clock Seconds sells 2 one-off in-app purchases. Custom Digital Clock asks for nothing beyond the download.

Clock Seconds holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Clock Seconds ships an update every 4 weeks, Custom Digital Clock every 9 months. The most recent releases landed on September 15, 2026 and July 10, 2026 respectively.

## The numbers

| Metric | Clock Seconds | Custom Digital Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/clock-seconds/id6446502527/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/custom-digital-clock/id6476612907/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 22 MB | 29 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Engler - Apps](https://appshunter.io/developer/1678138767) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### Clock Seconds

[App page](https://appshunter.io/ios/app/clock-seconds/id6446502527)

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

**Highlights:** Largest digital clock display, Accurate atomic time comparison, Customizable colors and dimensions, 12/24 hour format options, Minimal battery consumption design, Portrait mode settings access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock | $9.99 | one-time |


### Custom Digital Clock

[App page](https://appshunter.io/ios/app/custom-digital-clock/id6476612907)

Display a stylish digital clock on your smartphone. Personalize the clock's appearance with custom coloring options to match your style.

**Highlights:** Stylish digital clock display, Customizable coloring, Smartphone integration, Personalized appearance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clock Seconds free?

Clock Seconds is free to download, with in-app purchases available.

### Is Custom Digital Clock free?

Custom Digital Clock is free to download, with no in-app purchases.

### Which has better reviews, Clock Seconds or Custom Digital Clock?

Clock Seconds is rated higher. Clock Seconds averages 5.0 out of 5 from 4 ratings, while Custom Digital Clock averages 1.0 from 1 ratings.

### Do Clock Seconds or Custom Digital Clock have ads?

Custom Digital Clock shows ads; Clock Seconds does not.

### Which is updated more often, Clock Seconds or Custom Digital Clock?

Clock Seconds ships an update every 4 weeks, and Custom Digital Clock every 9 months. Most recently, Clock Seconds was updated on September 15, 2026 and Custom Digital Clock on July 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*